1 files changed, 1 insertions, 0 deletions
diff --git a/js/Branching/MUX_f.js b/js/Branching/MUX_f.js
index bb6c312f..5162aa99 100644
--- a/js/Branching/MUX_f.js
+++ b/js/Branching/MUX_f.js
@@ -28,6 +28,7 @@ function MUX_f() {
         while (true) {
             var ok = true;
             this.in1 = parseFloat(arguments[0]["in1"]);
+            var exprs = [arguments[0]["in1"]];
             if (!ok) {
                 break;
             }